When to plant Garlic in Delaware
In spring, from Feb 10 – Mar 10 in Dover to Feb 20 – Mar 20 in Wilmington.
In fall: USDA's 1967 table lists garlic as generally spring-planted in every place here. Newer advice from your state's extension service may differ.
USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.
| Place | Spring |
|---|---|
| Dover | Feb 10 – Mar 10 |
| Middletown | Feb 20 – Mar 20 |
| Milford | Feb 20 – Mar 20 |
| Newark | Feb 20 – Mar 20 |
| Smyrna | Feb 10 – Mar 10 |
| Wilmington | Feb 20 – Mar 20 |
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. “—” means the place's frost date is outside the table. The full USDA table for garlic.